public class Node
{
	public int data;
	public Node link;

public static Node oddEvenList (int[] ar)
{
	Node first;

}

public static Node insertNode(Node root, int nextNode)
{
	Node temp = new Node();
	Node node;
	temp.data = nextNode;
	temp.link = null;

	if (root == null)
	{
		root = temp;
	}
	else
	{
		node = root;
		while (node.next != null)
			node = node.next;
		node.next = temp;
	}
	return root;
}

public static Node toList (int[] ar)
{
	Node root = null;
	for (int i = 0; i < ar.length; i++)
		root = insertNode(root, arr[i]);
	return root;
}

}

public static void main(String[] args)
{
	int[] ar = {4,16,8,5,24,17,25};
	Node root = toList(ar);
}